Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando foi o registro 17-17?
 ###Tabelas: CREATE TABLE regular_season (regular_season_id AUTO_INCREMENT PRIMARY KEY, Game INT, Date VARCHAR, Opponent VARCHAR, Score VARCHAR, High points VARCHAR, High rebounds VARCHAR, High assists VARCHAR, Location/Attendance VARCHAR, Record VARCHAR) CREATE TABLE mixed_doubles:_7_5_titles_2_runner-ups (mixed_doubles:_7_5_titles_2_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score in the final VARCHAR) CREATE TABLE national_junior_champions (national_junior_champions_id AUTO_INCREMENT PRIMARY KEY, Year INT, Mens Singles VARCHAR, Womens Singles VARCHAR, Men Doubles VARCHAR, Womens Doubles VARCHAR, Mixed Doubles VARCHAR) CREATE TABLE biggest_opening_day (biggest_opening_day_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Movie VARCHAR, Year INT, Studio(s) VARCHAR, Opening Day Net Gross INT, Day of Week VARCHAR) CREATE TABLE single_track_listings (single_track_listings_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Location VARCHAR, Format VARCHAR, Record Label VARCHAR, Release Date VARCHAR)  
SELECT Date FROM regular_season WHERE Record = 17-17